Shimonoseki Climate by Month
The temperature in Shimonoseki can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Shimonoseki. Average daytime temperatures range from a very warm 30°C in August, the warmest time of the year, to a chilly 10°C during cooler months like January. At night, temperatures typically average around 6°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Shimonoseki has a relatively rainy climate with high precipitation levels, averaging 1817 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives heavy rainfall, averaging 289 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, December brings less rainfall, with 92 mm over 21 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Shimonoseki. While May receives considerable daily sunshine with up to 6.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Shimonoseki in Japan
During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in April, May, June, July and September.
August has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 10°C.
June tops the wettest month list with 289 mm of rainfall.
December is the driest month with 92 mm of precipitation.
May is the sunniest month with an average of 207 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
